int x, y;
int mode;
int axis;
+ float opacity;
int nb_planes;
int nb_comps;
FFDrawColor black;
FFDrawColor gray;
+ void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value);
+ void (*reverse_color)(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse);
int (*filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
} DatascopeContext;
{ "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" },
{ "color2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mode" },
{ "axis", "draw column/row numbers", OFFSET(axis), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
+ { "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
{ NULL }
};
}
}
-static void pick_color(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
+static void pick_color8(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
{
int p, i;
color->rgba[3] = 255;
for (p = 0; p < draw->nb_planes; p++) {
- if (draw->desc->comp[p].depth == 8) {
- if (draw->nb_planes == 1) {
- for (i = 0; i < 4; i++) {
- value[i] = in->data[0][y * in->linesize[0] + x * draw->pixelstep[0] + i];
- color->comp[0].u8[i] = value[i];
- }
- } else {
- value[p] = in->data[p][(y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p])];
- color->comp[p].u8[0] = value[p];
+ if (draw->nb_planes == 1) {
+ for (i = 0; i < 4; i++) {
+ value[i] = in->data[0][y * in->linesize[0] + x * draw->pixelstep[0] + i];
+ color->comp[0].u8[i] = value[i];
}
} else {
- if (draw->nb_planes == 1) {
- for (i = 0; i < 4; i++) {
- value[i] = AV_RL16(in->data[0] + y * in->linesize[0] + x * draw->pixelstep[0] + i * 2);
- color->comp[0].u16[i] = value[i];
- }
- } else {
- value[p] = AV_RL16(in->data[p] + (y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p]) * 2);
- color->comp[p].u16[0] = value[p];
+ value[p] = in->data[p][(y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p])];
+ color->comp[p].u8[0] = value[p];
+ }
+ }
+}
+
+static void pick_color16(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
+{
+ int p, i;
+
+ color->rgba[3] = 255;
+ for (p = 0; p < draw->nb_planes; p++) {
+ if (draw->nb_planes == 1) {
+ for (i = 0; i < 4; i++) {
+ value[i] = AV_RL16(in->data[0] + y * in->linesize[0] + x * draw->pixelstep[0] + i * 2);
+ color->comp[0].u16[i] = value[i];
}
+ } else {
+ value[p] = AV_RL16(in->data[p] + (y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p]) * 2);
+ color->comp[p].u16[0] = value[p];
}
}
}
-static void reverse_color(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
+static void reverse_color8(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
{
int p;
reverse->rgba[3] = 255;
for (p = 0; p < draw->nb_planes; p++) {
- if (draw->desc->comp[p].depth == 8) {
- reverse->comp[p].u8[0] = color->comp[p].u8[0] > 127 ? 0 : 255;
- reverse->comp[p].u8[1] = color->comp[p].u8[1] > 127 ? 0 : 255;
- reverse->comp[p].u8[2] = color->comp[p].u8[2] > 127 ? 0 : 255;
- reverse->comp[p].u8[3] = color->comp[p].u8[3] > 127 ? 0 : 255;
- } else {
- const unsigned max = (1 << draw->desc->comp[p].depth) - 1;
- const unsigned mid = (max + 1) / 2;
+ reverse->comp[p].u8[0] = color->comp[p].u8[0] > 127 ? 0 : 255;
+ reverse->comp[p].u8[1] = color->comp[p].u8[1] > 127 ? 0 : 255;
+ reverse->comp[p].u8[2] = color->comp[p].u8[2] > 127 ? 0 : 255;
+ }
+}
- reverse->comp[p].u16[0] = color->comp[p].u16[0] > mid ? 0 : max;
- reverse->comp[p].u16[1] = color->comp[p].u16[1] > mid ? 0 : max;
- reverse->comp[p].u16[2] = color->comp[p].u16[2] > mid ? 0 : max;
- reverse->comp[p].u16[3] = color->comp[p].u16[3] > mid ? 0 : max;
- }
+static void reverse_color16(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
+{
+ int p;
+
+ reverse->rgba[3] = 255;
+ for (p = 0; p < draw->nb_planes; p++) {
+ const unsigned max = (1 << draw->desc->comp[p].depth) - 1;
+ const unsigned mid = (max + 1) / 2;
+
+ reverse->comp[p].u16[0] = color->comp[p].u16[0] > mid ? 0 : max;
+ reverse->comp[p].u16[1] = color->comp[p].u16[1] > mid ? 0 : max;
+ reverse->comp[p].u16[2] = color->comp[p].u16[2] > mid ? 0 : max;
}
}
FFDrawColor reverse = { { 0 } };
int value[4] = { 0 };
- pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
- reverse_color(&s->draw, &color, &reverse);
+ s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
+ s->reverse_color(&s->draw, &color, &reverse);
ff_fill_rectangle(&s->draw, &color, out->data, out->linesize,
xoff + x * C * 10, yoff + y * P * 12, C * 10, P * 12);
FFDrawColor color = { { 0 } };
int value[4] = { 0 };
- pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
+ s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
for (p = 0; p < P; p++) {
char text[256];
FFDrawColor color = { { 0 } };
int value[4] = { 0 };
- pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
+ s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
for (p = 0; p < P; p++) {
char text[256];
}
td.in = in; td.out = out, td.yoff = xmaxlen, td.xoff = ymaxlen;
- ctx->internal->execute(ctx, s->filter, &td, NULL, FFMIN(ctx->graph->nb_threads, FFMAX(outlink->w / 20, 1)));
+ ctx->internal->execute(ctx, s->filter, &td, NULL, FFMIN(ff_filter_get_nb_threads(ctx), FFMAX(outlink->w / 20, 1)));
av_frame_free(&in);
return ff_filter_frame(outlink, out);
static int config_input(AVFilterLink *inlink)
{
DatascopeContext *s = inlink->dst->priv;
+ uint8_t alpha = s->opacity * 255;
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
ff_draw_init(&s->draw, inlink->format, 0);
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
- ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 0} );
+ ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, alpha} );
ff_draw_color(&s->draw, &s->yellow, (uint8_t[]){ 255, 255, 0, 255} );
ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 77, 77, 77, 255} );
s->chars = (s->draw.desc->comp[0].depth + 7) / 8 * 2;
case 2: s->filter = filter_color2; break;
}
+ if (s->draw.desc->comp[0].depth <= 8) {
+ s->pick_color = pick_color8;
+ s->reverse_color = reverse_color8;
+ } else {
+ s->pick_color = pick_color16;
+ s->reverse_color = reverse_color16;
+ }
+
return 0;
}